[PATCH] RDMA/vmw_pvrdma: Use standard way to check return value

[PATCH] RDMA/vmw_pvrdma: Use standard way to check return value

[Yuval Shaia]

To be compatible with other modules/drivers, change return code checks
from "if (rc != 0)" to "if (rc)".

Signed-off-by: Yuval Shaia <yuval.shaia-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
---
 drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c
index d650a9fcde24..6f50220295c8 100644
--- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c
+++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c
@@ -837,16 +837,16 @@ static int pvrdma_pci_probe(struct pci_dev *pdev,
 	}
 
 	/* Enable 64-Bit DMA */
-	if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) == 0) {
+	if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
 		ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
-		if (ret != 0) {
+		if (ret) {
 			dev_err(&pdev->dev,
 				"pci_set_consistent_dma_mask failed\n");
 			goto err_free_resource;
 		}
 	} else {
 		ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
-		if (ret != 0) {
+		if (ret) {
 			dev_err(&pdev->dev,
 				"pci_set_dma_mask failed\n");
 			goto err_free_resource;
-- 
2.14.3

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Re: [PATCH] RDMA/vmw_pvrdma: Use standard way to check return value

[Bart Van Assche]

On Wed, 2018-01-24 at 13:17 +0200, Yuval Shaia wrote:
> -	if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) == 0) {
> +	if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {

Sorry but I absolutely don't like this change. I think testing a return value
using "== 0" is easier to read than using !.

Bart.